arch/arc/boot/dts/hsdk.dts

Source file repositories/reference/linux-study-clean/arch/arc/boot/dts/hsdk.dts

File Facts

System
Linux kernel
Corpus path
arch/arc/boot/dts/hsdk.dts
Extension
.dts
Size
7588 bytes
Lines
351
Domain
Architecture Layer
Bucket
arch/arc
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2017 Synopsys, Inc. (www.synopsys.com)
 */

/*
 * Device Tree for ARC HS Development Kit
 */
/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/reset/snps,hsdk-reset.h>

/ {
	model = "snps,hsdk";
	compatible = "snps,hsdk";

	#address-cells = <2>;
	#size-cells = <2>;

	chosen {
		bootargs = "earlycon=uart8250,mmio32,0xf0005000,115200n8 console=ttyS0,115200n8 debug print-fatal-signals=1";
	};

	aliases {
		ethernet = &gmac;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			device_type = "cpu";
			compatible = "snps,archs38";
			reg = <0>;
			clocks = <&core_clk>;
		};

		cpu@1 {
			device_type = "cpu";
			compatible = "snps,archs38";
			reg = <1>;
			clocks = <&core_clk>;
		};

		cpu@2 {
			device_type = "cpu";
			compatible = "snps,archs38";
			reg = <2>;
			clocks = <&core_clk>;
		};

		cpu@3 {
			device_type = "cpu";
			compatible = "snps,archs38";
			reg = <3>;
			clocks = <&core_clk>;
		};
	};

	input_clk: input-clk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <33333333>;
	};

	reg_5v0: regulator-5v0 {
		compatible = "regulator-fixed";

Annotation

Implementation Notes